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| Tender ID | 4623644 |
|---|---|
| Organisation Name | NHPC Limited |
| Tender Brief | Corrigendum : Waterproofing Work On The Roof Of Executive Field Hostel Located At Sewa-ii Power Station (cw-731) |
| Last Date For Submission | 13th Jul, 2026 |
| Opening Date | 16 Jul, 2026 |
| Document Cost | 590.00 |
|---|---|
| EMD | 30000.00 |
| Estimated Cost | 1523746.00 |
| City | Chamba |
|---|---|
| State | Himachal Pradesh |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Dismantling old plaster or skirting, raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 meters lead. | 1195.14 | Sqm |
| 2 | Providing and applying crystalline mortar by mixing in the ratio of 4.5 : 1 (4.5 parts crystalline mortar : 1 part water) for the treatment of faulty construction joints, cracks, tie rod holes and spalled &honeycombed surface of RCC underground structures like basement, water tanks, bridge deck etc. to ensure water tightness. The crystallie mortar shall conform to the EN 1504-3 having compressive strength Class R4 > 45 MPa and adhesive bond strength Class R3 > 1.5 MPa. The work shall be carried out all complete as perspecification and the direction of the Engineer-In-Charge. The product performance shall carry guarantee for 10 years against any leakage. For sealing cracks and faulty construction joints, routed out/making U-shape groove size 25x25mm and then primed the area with integralcrystalline slurry @0.05kg/ running metre and while the surface is tacky filled the groove upto surface with crystalline mortar @1.50kg/ running metre. Once crystalline mortar is touch dry then finally applied two coats of integral crystalline slurry @0.05kg/running metre per coat | 22.00 | Metre |
| 3 | Grading roof for water proofing treatment with Cement mortar 1:3 (1 cement : 3 Coarse sand) | 37.83 | Cum |
| 4 | Cement plaster 1 : 3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement , 20 mm cement plaste | 444.98 | Sqm |
| 5 | Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting of applying: (a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound@ 0.253 kg/sqm. (b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. (c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg./sqm. and coarse sand @1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours.The entire treatment will be taken upto 30cm on parapet wall and tucked into groove in parapet all around. (d) fourth and final layer of brick tiling with cement mortar (which will be paid for separately)For the purpose of measurement the entire treated surface will be measured. | 756.53 | Sqm |
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